Patch Issues

nick xerofoify at gmail.com
Thu Jan 15 19:36:18 PST 2015


Hujuianyang,
Thanks for the reply. I will get around to this tomorrow.
Nick

On 2015-01-15 10:03 PM, hujianyang wrote:
> Hi Nick,
> 
> I'm not quite sure about if it is a correct modification. But,
> 
> On 2015/1/16 10:18, nick wrote:
>> drivers/mtd/inftlmount.c:336:12: warning: ‘check_free_sectors’ defined but not used [-Wunused-function]
> 
> check if this function is still called by other functions, if it
> is not, just remove it in your patch.
> 
>>  static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address,
>>             ^
>> drivers/mtd/inftlmount.c: In function ‘INFTL_formatblock’:
>> drivers/mtd/inftlmount.c:781:1: warning: control reaches end of non-void function [-Wreturn-type]
>>  }
>> Patch:
>> From 6b481c8f5030da2e9616bd038193d68340c0b5d0 Mon Sep 17 00:00:00 2001
>>   2 From: Nicholas Krause <xerofoify at gmail.com>
>>   3 Date: Thu, 15 Jan 2015 20:10:37 -0500
>>   4 Subject: [PATCH] mtd: Remove unneeded call to check_free_sectors in the
>>   5  function,INFTL_formatblock
>>   6 
>>   7 Removes unneeded call to check_free_sectors internally in the function,INFTL_formatblock.
>>   8 This call is no longer needed due to us checking to see if erasing the block against the
>>   9 structure pointer passed to the function,inftl internal variable state is equal to the
>>  10 macro,MTD_ERASE_FAILED to see if the block has failed in being erased successfully.Due
>>  11 to this we can remove the no longer needed check to check_free_sectors and comments
>>  12 related to questioning the reason for it's use with the check against MTD_ERASE_FAILED
>>  13 for inftl's state variable already checking for successfully erasing of the mtd block.
>>  14 
>>  15 Signed-off-by: Nicholas Krause <xerofoify at gmail.com>
>>  16 ---
>>  17  drivers/mtd/inftlmount.c | 10 ----------
>>  18  1 file changed, 10 deletions(-)
>>  19 
>>  20 diff --git a/drivers/mtd/inftlmount.c b/drivers/mtd/inftlmount.c
>>  21 index 1388c8d..def5cea 100644
>>  22 --- a/drivers/mtd/inftlmount.c
>>  23 +++ b/drivers/mtd/inftlmount.c
>>  24 @@ -367,7 +367,6 @@ static int check_free_sectors(struct INFTLrecord *inftl, unsigned int address,
>>  25   *
>>  26   * Return: 0 when succeed, -1 on error.
>>  27   *
>>  28 - * ToDo: 1. Is it necessary to check_free_sector after erasing ??
>>  29   */
>>  30  int INFTL_formatblock(struct INFTLrecord *inftl, int block)
>>  31  {
>>  32 @@ -401,15 +400,6 @@ int INFTL_formatblock(struct INFTLrecord *inftl, int block)
>>  33                         goto fail;
>>  34                 }
>>  35 
>>  36 -               /*
>>  37 -                * Check the "freeness" of Erase Unit before updating metadata.
>>  38 -                * FixMe: is this check really necessary? Since we have check
>>  39 -                * the return code after the erase operation.
>>  40 -                */
>>  41 -               if (check_free_sectors(inftl, instr->addr, instr->len, 1) != 0)
>>  42 -                       goto fail;
>>  43 -       }
> 
> You should keep this '}'.
> 
>>  44 -
>>  45         uci.EraseMark = cpu_to_le16(ERASE_MARK);
>>  46         uci.EraseMark1 = cpu_to_le16(ERASE_MARK);
>>  47         uci.Reserved[0] = 0;
>>  48 -- 
>>  49 2.1.0
>>  50 
>>
>> ______________________________________________________
>> Linux MTD discussion mailing list
>> http://lists.infradead.org/mailman/listinfo/linux-mtd/
>>
> 
> 



More information about the linux-mtd mailing list